* EXTRACTION and ARCHIVING- Fixed: removed unsupported -mmt switch for creation of GZip archives- Last used custom application for archiving and extraction is automatically remembered- Ok and Cancel buttons can now be selected using tab in archiving and extraction interfaces, and Ok button is now automatically selected to allow confirm job simply pressing enter- In extraction/archiving interfaces click Ok to apply the changes to options and launch the job (or only to apply changes if the layout is empty), click Cancel to discard the changes and the job